<div class="roll_nav clearfix">
  <div class="f_l title" (click)="goToStart()">班级<span>></span> {{classInfo.ClassName}}</div>
  <nz-tabset [nzSize]="'small'" [nzSelectedIndex]="routerIndex">
    <nz-tab nzTitle="主页" (nzClick)="goClassIndex(0)" >
    </nz-tab>
    <nz-tab nzTitle="公告"   (nzClick)="goToNotice(1)" >
    </nz-tab>
    <nz-tab nzTitle="设置"  (nzClick)="goToSetting(2)" >
    </nz-tab>
  </nz-tabset>
</div>

